JEE Main & Advanced Chemistry Hydrogen & Its Compounds Question Bank Water or hydride of oxygen

  • question_answer Which of the following will determine whether the given colourless liquid is water or not

    A) Melting

    B) Tasting

    C) Phosphthalein

    D) Adding a pinch of anhydrous \[CuS{{O}_{4}}\]

    Correct Answer: D

    Solution :

    Colourless anhydrous \[CuS{{O}_{4}}\] becomes blue on reaction with water.

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